\begin{table}
\centering
\begin{tabular}[t]{lcc}
\toprule
  & Model 1 & Model 2\\
\midrule
Conventional & \num{0.181} & \num{-0.158}\\
 & (\num{0.370}) & \vphantom{1} (\num{0.372})\\
Bias-Corrected & \num{0.222} & \num{-0.247}\\
 & (\num{0.370}) & (\num{0.372})\\
Robust & \num{0.222} & \num{-0.247}\\
 & (\num{0.434}) & (\num{0.439})\\
\midrule
Kernel & Triangular & Triangular\\
Bandwidth & mserd & mserd\\
\bottomrule
\multicolumn{3}{l}{\rule{0pt}{1em}+ p $<$ 0.1, * p $<$ 0.05, ** p $<$ 0.01, *** p $<$ 0.001}\\
\end{tabular}
\end{table}
